#countdown standard

[todays-xkcd]

Anyone who is caught counting 'three ... two ... one ... zero ... GO!' will be punished with a lifetime of eating only ISO standard food samples.

Countdown Standard [Explained]

Transcript Under the Cut

[The comic shows three different ways of counting down]

[Around the first 2 in red curly brackets: "Too easy to mix up"]

One ... Two ... Three! X Deprecated One ... Two ... Three ... Go! X Deprecated Three ... Two ... One ... Go! ✓ ISO Standard

[Caption below the comic:] If I were in charge of ISO, the first thing I'd do would be to standardize the way people count out loud before doing something in sync.